Rampant sand mining activity on Cheyyar river bed has rendered the twin water channels, created 120 years ago near Kavanthandalam, useless.
The two channels — ‘pallakalvai’ (lower channel) and ‘mettukalvai’

PUCL team presents video and photographic evidence; mining operation could extend up to 200 hectares
Illegal sand mining is happening in broad daylight in the river basins of Palar and Cheyyar, according to a fact-finding team of the People’s Union for Civil Liberties (PUCL).

CHENNAI: The Madras High Court has declined to restrain the authorities concerned from quarrying sand in Naiyadupakkam village in Kancheepuram district.
Disposing of a writ petition, the First Bench, comprising Chief Justice H.L. Gokhale and Justice N. Paul Vasanthakumar, said the Collector ought to directly monitor the removal of sand.
Flora and fauna

THE Tamil Nadu Cabinet on Thursday cleared the proposal of Mahindra & Mahindra to set up an automobile project at Cheyyar, near Chennai, with an investment of Rs 1,800 crore. The plant will have the capacity to manufacture 1.5 lakh vehicles per annum.